How COVID-19 and other respiratory viruses interact in children

Viral and Host Dynamics during Pediatric COVID-19 and Respiratory Virus Co-Infection

NIH-funded research Northwestern University · NIH-11142467

This work looks at how having common respiratory viruses alongside COVID-19 affects how sick children get, how their bodies react, and how the viruses behave over time.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionNorthwestern University NIH-funded
Lab location1 site (Chicago, United States)
Project IDNIH-11142467 on NIH RePORTER

What this research studies

If your child has COVID-19, researchers will collect nasal samples and medical information to see whether other respiratory viruses are present and to measure viral amount and changes over time. They will compare children who have only SARS-CoV-2 to those with co-infections and link those findings to clinical outcomes like illness severity. The team will use lab tests, viral sequencing, and markers of inflammation and mucosal injury from the upper airway. Data from hospital records and follow-up will be used to study time to viral clearance and possible emergence of viral changes.

Who could benefit from this research

Good fit: Children and adolescents with confirmed SARS-CoV-2 infection who can provide nasal samples and clinical information, especially those seen early in illness, are ideal candidates.

Not a fit: Healthy people without COVID-19, adults not enrolled in pediatric cohorts, or children who cannot provide samples or confirm infection are unlikely to receive direct benefit from this work.

Why it matters

Potential benefit: Could help doctors identify children at higher risk of severe illness and improve testing, monitoring, or treatment strategies for pediatric respiratory infections.

How similar studies have performed: Prior reports have found respiratory co-infections in children and links to worse outcomes, but combining detailed viral sequencing with mucosal immune measurements in pediatric co-infection is relatively new.

Where this research is happening

Chicago, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Airway infections
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.